MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b9acce3baff6363cf5ccfa55dbad67650905b856985de50829e65fa8a4be3d9c. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


AgentTesla


Vendor detections: 19


Intelligence 19 IOCs YARA 7 File information Comments
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SHA256 hash: b9acce3baff6363cf5ccfa55dbad67650905b856985de50829e65fa8a4be3d9c
SHA3-384 hash: 676f5012e1c863ad9affafcb66e539a13458eec9774038bec09226b6173eae006073a6f98a72b835ce881169e68e8d62
SHA1 hash: 855905c7cdffd746a9ce9866bb50a92afd3e79b8
MD5 hash: b5a70147c823327681c942174403ee66
humanhash: princess-twelve-skylark-march
File name:Purchase Order_13102023.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:535'552 bytes
First seen:2023-10-13 13:05:18 UTC
Last seen:2023-10-13 13:41:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:HhsDwXRze8VYS94Goso7GerOpDfN4jQk8l7fdict:6gzexS9aOf0Y7Vict
Threatray 363 similar samples on MalwareBazaar
TLSH T141B4CE6434FF65D5D636DFF34398298497EAF236521EF81A3B85029B806DB01EF03926
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
329
Origin country :
US US
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Purchase Order_13102023.exe
Verdict:
Malicious activity
Analysis date:
2023-10-13 13:08:45 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/8ca5aa30-e30d-4187-be43-24ccbe353fef

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/454131/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.19843.25489.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Reading critical registry keys
DNS request
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/652940bb28455aedec10d8c3/reports/610dcedd-7a98-4d18-894c-7bce641b4919/overview
Verdict:
Malicious
Labled as:
Trojan.Olock.Generic
Link:
https://www.hybrid-analysis.com/sample/b9acce3baff6363cf5ccfa55dbad67650905b856985de50829e65fa8a4be3d9c
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ab4b13b7-1302-481e-babf-5258be5bb362
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1325276
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Allocates memory in foreign processes
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1325276 Sample: Purchase_Order_13102023.exe Startdate: 13/10/2023 Architecture: WINDOWS Score: 100 45 mail.dynamicconsultinglogistics.ma 2->45 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 Sigma detected: Scheduled temp file as task from temp location 2->53 55 9 other signatures 2->55 8 Purchase_Order_13102023.exe 6 2->8         started        12 BNrDYUo.exe 5 2->12         started        14 KLgJsl.exe 2 2->14         started        16 KLgJsl.exe 2->16         started        signatures3 process4 file5 41 C:\Users\user\AppData\Roaming\BNrDYUo.exe, PE32 8->41 dropped 43 C:\Users\user\AppData\Local\...\tmp1AB0.tmp, XML 8->43 dropped 67 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->67 69 Uses schtasks.exe or at.exe to add and modify task schedules 8->69 71 Writes to foreign memory regions 8->71 77 2 other signatures 8->77 18 RegSvcs.exe 1 4 8->18         started        23 RegSvcs.exe 8->23         started        25 schtasks.exe 1 8->25         started        73 Multi AV Scanner detection for dropped file 12->73 75 Machine Learning detection for dropped file 12->75 27 RegSvcs.exe 3 12->27         started        29 schtasks.exe 1 12->29         started        31 conhost.exe 14->31         started        33 conhost.exe 16->33         started        signatures6 process7 dnsIp8 47 mail.dynamicconsultinglogistics.ma 52.117.100.166, 49701, 49702, 587 SOFTLAYERUS United States 18->47 39 C:\Users\user\AppData\Roaming\...\KLgJsl.exe, PE32 18->39 dropped 57 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->57 59 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 23->59 35 conhost.exe 25->35         started        61 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 27->61 63 Tries to steal Mail credentials (via file / registry access) 27->63 65 Tries to harvest and steal browser information (history, passwords, etc) 27->65 37 conhost.exe 29->37         started        file9 signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b9acce3baff6363cf5ccfa55dbad67650905b856985de50829e65fa8a4be3d9c
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b9acce3baff6363cf5ccfa55dbad67650905b856985de50829e65fa8a4be3d9c/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-10-13 01:10:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
20 of 36 (55.56%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xgwm4o5p6y3dz5om7jk5xllhmueqlocwtbo6kcbj4zp2rjf6hwoa._file
Verdict:
malicious
Similar samples:
1f22495e0f459d46c901746a490c146552173cb83d629bdb694f5961c09be657
AgentTesla
3be6612501472572fdc009d75567cb83d4f2f54a7628c2b95b48adb6bdc43b9b
AgentTesla
77112aabe95b27021e7e9e4fcb91320d60645ea4550fed132ac068036c0b4ce3
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8438ac5745f37292a9c36993ae4ff00fb3f3e52abd075d2efb0e3581ce1b8e94
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b3c98a624e7fe69823ba0d02dbadf37fcb5d38cea33e35d6f1546e07507ccd69
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c19e44f612b1b11dacfbed23b9de1b2af9035fe080438615d8f38f2ed079e93c
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c22334a30489c310ccebd2eb69b289bf3f01461a72a4da146a59cdaa06283e04
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e6b297fc5effcaa65ed935f78e8b663257f447a9f569c4da0411854fe28a75e7
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fb3985dc3b2b92209641e36dbb7113092028845d2939ecb0dbaf8d9a64c1c54b
AgentTesla
+ 353 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/231013-qb3afshh7z/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
d3286291d3b9f08fff5fae72b9c9ac5e096e762427ec27d61e46528dd6e92f7b
MD5 hash:
681006479337c0d944ccf50f71efa29c
SHA1 hash:
c9e720e34c25bf8bd0c7d338a4675eae619987ec
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/cd48f3ec-ceb0-459a-9093-15ed9e1d2d72/
Parent samples :
b9acce3baff6363cf5ccfa55dbad67650905b856985de50829e65fa8a4be3d9c
8570c011be165d6c092c41db1f85d4c52fdca1812b7c9ee87420702c2776005a
2feaaa1d5cd1e65708b153c9783e6b5eb66c03d6048ffb7e656f543806536bcd
6248eb51a2fd9075c741e620db96db2f69dfea65f95b0d04ecb38e70a2dd48d9
d3286291d3b9f08fff5fae72b9c9ac5e096e762427ec27d61e46528dd6e92f7b
1bedaffe4ca544ea63fa0015018d6d45562a932288205c108d73228d0b0e693e
54aecbaf7821c0ee087cae191865a7df8b58408efbaec7b96b6b0dda54efd32f
SH256 hash:
6f7f007073ec8f0446908e45ddbf59e04d77f06fdef25ef4100050cccf35abb7
MD5 hash:
0cb38b131d1eff428dec1ba5b86209af
SHA1 hash:
6763328782eb1a58931c41fde931d9a05aa1987c
Link:
https://www.unpac.me/results/cd48f3ec-ceb0-459a-9093-15ed9e1d2d72/
SH256 hash:
82285a575ea205476be5bf48340be52a19296fb6afff6183e6602ac8fc9a449a
MD5 hash:
4c963ce10be216472a5cc89e6866e241
SHA1 hash:
21a9a24908f421fee6a1d4b6041bd5871cffbd2f
Link:
https://www.unpac.me/results/cd48f3ec-ceb0-459a-9093-15ed9e1d2d72/
SH256 hash:
b9acce3baff6363cf5ccfa55dbad67650905b856985de50829e65fa8a4be3d9c
MD5 hash:
b5a70147c823327681c942174403ee66
SHA1 hash:
855905c7cdffd746a9ce9866bb50a92afd3e79b8
Link:
https://www.unpac.me/results/cd48f3ec-ceb0-459a-9093-15ed9e1d2d72/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b9acce3baff6/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b9acce3baff6363cf5ccfa55dbad67650905b856985de50829e65fa8a4be3d9c

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_agent_tesla_bytecodes_sep_2023
Create hunting rule
Author:Matthew @embee_research

File information

The table below shows additional information about this malware sample such as delivery method and external references.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/454131/

Comments